xC: fix Readline 6.3 compatibility
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xC.c
2
xC.c
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@ -616,7 +616,7 @@ input_rl_buffer_add_history (void *input, input_buffer_t input_buffer,
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// or temporarily switch histories.
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if (!buffer->history)
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{
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bool at_end = history_offset == history_length;
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bool at_end = where_history () == history_length;
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add_history (line);
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if (at_end)
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next_history ();
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